CN219797933U - Furnace cover locking structure and sintering furnace for air pressure sintering silicon nitride insulating ring - Google Patents
Furnace cover locking structure and sintering furnace for air pressure sintering silicon nitride insulating ring Download PDFInfo
- Publication number
- CN219797933U CN219797933U CN202320973822.2U CN202320973822U CN219797933U CN 219797933 U CN219797933 U CN 219797933U CN 202320973822 U CN202320973822 U CN 202320973822U CN 219797933 U CN219797933 U CN 219797933U
- Authority
- CN
- China
- Prior art keywords
- locking
- rod
- furnace
- outer pole
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 24
- 229910052581 Si3N4 Inorganic materials 0.000 title claims description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000919 ceramic Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Furnace Details (AREA)
Abstract
The utility model relates to the technical field of ceramic product production and discloses a furnace cover locking structure which is used for a sintering furnace, wherein the sintering furnace comprises a furnace body and a furnace cover, a connecting outer edge is arranged on the furnace body, locking holes are formed in the furnace body and the connecting outer edge, the locking structure comprises a locking outer rod and a locking inner rod, a lifting handle is arranged on the locking outer rod, a locking nut is connected to the locking outer rod, a spring I is arranged between the locking nut and the lifting handle, a notch is formed in the side wall of the locking outer rod, a locking bent rod is arranged in the notch, the bent part of the locking bent rod is connected to the locking outer rod, a connecting ball head is arranged at one end of the locking outer rod, the locking inner rod is arranged in the locking outer rod and is connected with the locking outer rod through a spring II, and an annular groove is formed in the locking inner rod. The double locking of the furnace cover can be realized through the matching of the locking bent rod and the locking clamping rod, so that the double locking device is simple to operate, convenient to use, good in locking effect, high in stability and capable of ensuring safe production.
Description
Technical Field
The utility model relates to the technical field of ceramic product production, in particular to a furnace cover locking structure and a sintering furnace for air pressure sintering of a silicon nitride insulating ring.
Background
In the production of silicon nitride insulating rings, the use of a sintering furnace for air pressure sintering is an essential link. The sintering furnace refers to special equipment for sintering powder compacts to obtain required physical and mechanical properties and microstructures, and generally comprises a furnace cover and a furnace body. In the prior art, the furnace cover and the furnace body are mostly directly locked by adopting fixing bolts, so that the locking effect is poor, the stability cannot be ensured, and the safety production is influenced, therefore, the furnace cover and the furnace body need to be improved.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a furnace cover locking structure and a sintering furnace for air pressure sintering of a silicon nitride insulating ring.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bell locking structure for the fritting furnace, the fritting furnace includes furnace body and bell, be equipped with on the furnace body and connect outer edge, the furnace body is equipped with the locking hole on connecting outer edge relatively, locking structure includes locking outer pole, locking inner rod, locking outer pole and locking hole phase-match, locking outer pole is hollow setting, and the tip of locking outer pole is equipped with the lifting handle, and threaded connection has lock nut on the locking outer pole, is equipped with spring one between lock nut and the lifting handle, is equipped with the incision that runs through its thickness on the lateral wall of locking outer pole, be equipped with the locking bent rod in the incision, the department of buckling of locking bent rod is connected on locking outer pole through round pin axle one, and the one end of locking outer pole is equipped with the connection bulb, the locking inner rod is located in the locking outer pole and is connected with the locking outer pole through spring two, is equipped with the annular incision that is used for holding the connection bulb on the locking inner rod.
When the locking device is used, the locking inner rod is pressed downwards, the locking inner rod moves downwards against the elastic force of the second spring, and the connecting ball head moves along with the locking inner rod, so that the locking bent rod rotates around the first pin shaft until the end part of the locking bent rod is completely retracted into the notch; then keeping the pressing state of the locking inner rod and inserting the locking outer rod into the locking hole until the locking bent rod is completely positioned below the connecting outer edge; releasing the locking inner rod, moving the locking inner rod upwards under the action of the second spring, and driving the locking bent rod to rotate through the connecting ball head, so that the end part of the locking bent rod stretches to the outer side of the notch again; lifting the locking outer rod until the end part of the locking bent rod is abutted with the connecting outer edge, and finally screwing the locking nut, so that the furnace cover and the furnace body are locked under the combined action of the locking nut and the locking bent rod, the pair of locking nuts of the spring have the pre-tightening force of pressing down, the locking nuts can be prevented from loosening, and the locking effect is ensured.
Preferably, the locking outer rod is internally fixed with a guide rod, the locking inner rod is provided with a guide hole matched with the guide rod, and the second spring is sleeved on the outer side of the guide rod. The guide rod and the guide hole are arranged to provide guide for the movement of the locking inner rod, so that the lifting stability of the locking inner rod is ensured.
Preferably, a plurality of notches are uniformly formed in the locking outer rod along the circumferential direction, and a locking bent rod is correspondingly arranged in each notch.
Preferably, the locking outer rod is provided with an external thread, the locking nut is provided with an external conical surface and an internal thread hole matched with the external thread, the locking structure further comprises a locking clamping rod, the middle part of the locking clamping rod is connected onto the furnace cover through a second pin shaft, the outer side of the second pin shaft is provided with a torsion spring, the upper end of the locking clamping rod is provided with an inclined surface matched with the external conical surface, and the lower end of the locking clamping rod is provided with a chuck.
In the process of tightening the lock nut, the lock nut moves downwards in a spiral manner, and the outer conical surface of the lock nut contacts with the inclined surface on the locking clamping rod, so that the locking clamping rod is driven to rotate against the elastic force of the torsion spring, the chuck clamps the outer connecting edge, and locking is further achieved.
The sintering furnace for the air pressure sintering silicon nitride insulating ring comprises the furnace cover locking structure.
The utility model also comprises a furnace cover locking structure and other components which can enable the sintering furnace for the air pressure sintering silicon nitride insulating ring to be normally used, and the furnace cover locking structure and the other components are all conventional technical means in the field. In addition, the devices or components not defined in the present utility model are all conventional in the art.
The double locking of the furnace cover can be realized through the matching of the locking bent rod and the locking clamping rod, so that the double locking device is simple to operate, convenient to use, good in locking effect, high in stability and capable of ensuring safe production.
Drawings
Fig. 1 is a schematic structural view of the present embodiment.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 1.
Fig. 4 is an axial cross-sectional view of the locking inner lever and the locking inner lever of fig. 1.
Fig. 5 is a schematic view of the locking lever of fig. 4 when retracted.
In the figure: 1. a furnace body; 2. a furnace cover; 3. connecting the outer edges; 4. a locking hole; 5. locking the outer rod; 6. locking the inner rod; 7. a lifting handle; 8. a lock nut; 9. a first spring; 10. a notch; 11. locking the bent rod; 12. connecting a ball head; 13. a second spring; 14. annular grooving; 15. a guide rod; 16. an outer conical surface; 17. locking the clamping rod; 18. a torsion spring; 19. a chuck.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1-5, a furnace cover locking structure is used for a sintering furnace, the sintering furnace comprises a furnace body 1 and a furnace cover 2, a connecting outer edge 3 is arranged on the furnace body 1, locking holes 4 are oppositely formed in the furnace body 1 and the connecting outer edge 3, the locking structure comprises a locking outer rod 5 and a locking inner rod 6, the locking outer rod 5 is matched with the locking holes 4, the locking outer rod 5 is in a hollow arrangement, a lifting handle 7 is arranged at the end part of the locking outer rod 5, a locking nut 8 is in threaded connection with the locking outer rod 5, a first spring 9 is arranged between the locking nut 8 and the lifting handle, a notch 10 penetrating through the thickness of the locking outer rod 5 is formed in the side wall of the locking outer rod 5, a locking bent rod 11 is arranged in the notch 10, a bent part of the locking bent rod 11 is connected to the locking outer rod 5 through a pin shaft, a connecting ball head 12 is arranged at one end part of the locking outer rod 5, the locking inner rod 6 is arranged in the locking outer rod 5 and is connected with the locking outer rod 5 through a second spring 13, and a circular groove 14 used for accommodating the connecting ball head 12 is formed in the locking rod 6.
In the embodiment, a plurality of locking holes 4 are uniformly formed in the furnace cover 2 and the furnace body 1 along the circumferential direction, and each locking hole 4 is correspondingly provided with a locking outer rod 5 and a locking inner rod 6; when the spring is in a natural state, the end part of the locking bent rod 11 extends out of the notch 10; the lifting handle can be used for lifting the locking outer rod and limiting the first spring.
When the locking device is used, the locking inner rod 6 is pressed downwards, the locking inner rod 6 moves downwards against the elastic force of the second spring 13, and the connecting ball head 12 moves along with the locking inner rod 6, so that the locking bent rod 11 rotates around the pin shaft until the end part of the locking bent rod 11 is completely retracted into the notch 10; then, the pressing state of the locking inner rod 6 is kept, and the locking outer rod 5 is inserted into the locking hole 4 until the locking bent rod 11 is completely positioned below the connecting outer edge 3; releasing the locking inner rod 6, and enabling the locking inner rod 6 to move upwards under the action of the second spring 13 and drive the locking bent rod 11 to rotate through the connecting ball head 12, so that the end part of the locking bent rod stretches to the outer side of the notch again; lifting the locking outer rod 5 until the end part of the locking bent rod is abutted against the connecting outer edge 3, and finally screwing up the locking nut 8, so that the furnace cover 2 and the furnace body 1 are locked under the combined action of the locking nut 8 and the locking bent rod, the first spring 9 has a pre-tightening force for pressing down the locking nut 8, the locking nut 8 can be prevented from loosening, and the locking effect is ensured.
The guide rod 15 is fixed in the locking outer rod 5, the locking inner rod 6 is provided with a guide hole matched with the guide rod 15, and the second spring is sleeved on the outer side of the guide rod. The guide rod 15 and the guide hole provide guide for the movement of the locking inner rod 6, so that the lifting stability of the locking inner rod is ensured.
A plurality of notches 10 are uniformly formed in the locking outer rod 5 along the circumferential direction, and a locking bent rod 11 is correspondingly arranged in each notch 10.
The locking structure is characterized in that an external thread is arranged on the locking external rod 5, an external conical surface 16 and an internal threaded hole matched with the external thread are arranged on the locking nut 8, the locking structure further comprises a locking clamping rod 17, the middle part of the locking clamping rod 17 is connected onto the furnace cover 2 through a second pin shaft, a torsion spring 18 is arranged on the outer side of the second pin shaft, an inclined surface matched with the external conical surface is arranged at the upper end of the locking clamping rod 17, and a clamping head 19 is arranged at the lower end of the locking clamping rod.
In this embodiment, the outer conical surface starts from the upper part of the lock nut 8 and gradually decreases in diameter; both end portions of the locking clamp rod 17 extend to the inner side of the furnace cover, and the inclined surface and the clamping head 19 are respectively arranged at both extending ends of the locking clamp rod 17.
In the process of screwing down the lock nut 8, the lock nut 8 moves downwards in a spiral manner, and the outer conical surface of the lock nut contacts with the inclined surface on the lock clamping rod 17, so that the lock clamping rod 17 is driven to rotate against the elastic force of the torsion spring 18, the chuck 19 clamps the outer edge of the connection, and further locking is achieved.
The locking structure can realize double locking of the furnace cover only by screwing the locking nut, and is simple and convenient to operate and good in stability.
The sintering furnace for the air pressure sintering silicon nitride insulating ring comprises the furnace cover locking structure.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (5)
1. The utility model provides a bell locking structure for the fritting furnace, the fritting furnace includes furnace body and bell, be equipped with on the furnace body and connect outer edge, its characterized in that: the utility model discloses a furnace body, including the outer pole of locking, locking structure, the outer pole of locking is equipped with the locking hole phase-match on the outer edge of connection, locking outer pole is hollow setting, and the tip of locking outer pole is equipped with the lift handle, and threaded connection has lock nut on the locking outer pole, is equipped with spring one between lock nut and the lift handle, is equipped with the incision that runs through its thickness on the lateral wall of locking outer pole, be equipped with the locking bent rod in the incision, the department of buckling of locking bent rod is connected on locking outer pole through round pin axle one, and the tip of locking outer pole is equipped with the connection bulb, the locking is equipped with the annular groove that is used for holding the connection bulb on the locking inner pole in locating the locking outer pole and is connected with the locking outer pole through spring two.
2. The roof locking structure of claim 1, wherein: the locking outer rod is internally fixed with a guide rod, the locking inner rod is provided with a guide hole matched with the guide rod, and the second spring is sleeved on the outer side of the guide rod.
3. The roof locking structure of claim 1, wherein: a plurality of notches are uniformly formed in the locking outer rod along the circumferential direction, and a locking bent rod is correspondingly arranged in each notch.
4. The roof locking structure of claim 1, wherein: the locking structure is characterized in that an external thread is arranged on the locking external rod, an external conical surface and an internal threaded hole matched with the external thread are arranged on the locking nut, the locking structure further comprises a locking clamping rod, the middle part of the locking clamping rod is connected onto the furnace cover through a second pin shaft, a torsion spring is arranged on the outer side of the second pin shaft, an inclined surface matched with the external conical surface is arranged at the upper end of the locking clamping rod, and a chuck is arranged at the lower end of the locking clamping rod.
5. A sintering furnace for air pressure sintering of silicon nitride insulating rings is characterized in that: comprising a cap locking structure according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973822.2U CN219797933U (en) | 2023-04-26 | 2023-04-26 | Furnace cover locking structure and sintering furnace for air pressure sintering silicon nitride insulating ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973822.2U CN219797933U (en) | 2023-04-26 | 2023-04-26 | Furnace cover locking structure and sintering furnace for air pressure sintering silicon nitride insulating ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219797933U true CN219797933U (en) | 2023-10-03 |
Family
ID=88156120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320973822.2U Active CN219797933U (en) | 2023-04-26 | 2023-04-26 | Furnace cover locking structure and sintering furnace for air pressure sintering silicon nitride insulating ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219797933U (en) |
-
2023
- 2023-04-26 CN CN202320973822.2U patent/CN219797933U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212921109U (en) | Battery replacement locking device and vehicle | |
| CN219797933U (en) | Furnace cover locking structure and sintering furnace for air pressure sintering silicon nitride insulating ring | |
| CN110021855B (en) | Pull wire separation type mechanical mechanism | |
| CN209818478U (en) | Fixed torque nut assembly | |
| CN113752761B (en) | Ball head tractor | |
| CN214837955U (en) | Connecting piece for winding rod | |
| CN109038435B (en) | Automatic clamping type wedge-shaped strain clamp | |
| CN212199381U (en) | Automatic clamping device for gas protection electroslag furnace electrode | |
| CN115258932A (en) | Hoisting equipment | |
| CN210462300U (en) | Connecting device capable of steering | |
| CN209876832U (en) | Lamp suspension wire with locking device | |
| CN210948540U (en) | Quick drill rod elevator device | |
| CN220664662U (en) | Side-pulling rotary hanging ring | |
| CN216488798U (en) | Push-and-pull self-locking connector capable of being aligned quickly | |
| CN115064909B (en) | Plug-in type radio frequency coaxial connector, connector assembly and use method | |
| CN217062588U (en) | Riveting formula of exempting from to prevent outage POGOPIN pogo pin | |
| CN101151473A (en) | Ball holding, latching and locking applications using radial and axial springs | |
| CN214404293U (en) | Waterproof durable flange nut | |
| CN216234382U (en) | Sleeve plug type expansion pin for arc-tooth chain connecting ring | |
| CN220159077U (en) | Safe anti-falling rotary hanging ring | |
| CN215520474U (en) | Door body hinge with anti-falling function | |
| CN211491278U (en) | Novel screwdriver sleeve | |
| CN211183673U (en) | Shaft fastening type motor shaft | |
| CN211434838U (en) | Rescue equipment for quick connection of straight rod | |
| CN216698917U (en) | Double-locking electric connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |